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1 /* | 1 /* |
2 * Copyright (C) 2011 Google Inc. All rights reserved. | 2 * Copyright (C) 2011 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * | 7 * |
8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
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29 #include "WebCanvas.h" | 29 #include "WebCanvas.h" |
30 #include "WebCommon.h" | 30 #include "WebCommon.h" |
31 | 31 |
32 // FIXME: Remove this after references to this macro in Chromium are removed. | 32 // FIXME: Remove this after references to this macro in Chromium are removed. |
33 #define WEB_DISPLAY_ITEM_LIST_IS_DEFINED 1 | 33 #define WEB_DISPLAY_ITEM_LIST_IS_DEFINED 1 |
34 | 34 |
35 namespace blink { | 35 namespace blink { |
36 | 36 |
37 class WebDisplayItemList; | 37 class WebDisplayItemList; |
38 struct WebRect; | 38 struct WebRect; |
39 struct WebFloatRect; | |
40 | 39 |
41 class BLINK_PLATFORM_EXPORT WebContentLayerClient { | 40 class BLINK_PLATFORM_EXPORT WebContentLayerClient { |
42 public: | 41 public: |
43 enum GraphicsContextStatus { GraphicsContextEnabled, GraphicsContextDisabled
}; | 42 enum GraphicsContextStatus { GraphicsContextEnabled, GraphicsContextDisabled
}; |
44 | 43 |
45 // Paints the content area for the layer, typically dirty rects submitted | 44 // Paints the content area for the layer, typically dirty rects submitted |
46 // through WebContentLayer::setNeedsDisplay, submitting drawing commands | 45 // through WebContentLayer::setNeedsDisplay, submitting drawing commands |
47 // through the WebCanvas. | 46 // through the WebCanvas. |
48 // The canvas is already clipped to the |clip| rect. | 47 // The canvas is already clipped to the |clip| rect. |
49 // Optionally, the implementation may set |opaque| to a rect covering pixels
that | 48 // Optionally, the implementation may set |opaque| to a rect covering pixels
that |
50 // the implementation knows are opaque. This information can be used for var
ious | 49 // the implementation knows are opaque. This information can be used for var
ious |
51 // optimizations. | 50 // optimizations. |
52 // The |disableContext| enum controls most processing in | 51 // The |disableContext| enum controls most processing in |
53 // GraphicsContext to isolate the painting code in performance tests. | 52 // GraphicsContext to isolate the painting code in performance tests. |
54 virtual void paintContents(WebCanvas*, const WebRect& clip, bool canPaintLCD
Text, GraphicsContextStatus = GraphicsContextEnabled) = 0; | 53 virtual void paintContents(WebCanvas*, const WebRect& clip, bool canPaintLCD
Text, GraphicsContextStatus = GraphicsContextEnabled) = 0; |
55 | 54 |
56 virtual void paintContents(WebDisplayItemList*, const WebRect& clip, bool ca
nPaintLCDText, GraphicsContextStatus = GraphicsContextEnabled) = 0; | 55 virtual void paintContents(WebDisplayItemList*, const WebRect& clip, bool ca
nPaintLCDText, GraphicsContextStatus = GraphicsContextEnabled) = 0; |
57 | 56 |
58 protected: | 57 protected: |
59 virtual ~WebContentLayerClient() { } | 58 virtual ~WebContentLayerClient() { } |
60 }; | 59 }; |
61 | 60 |
62 } // namespace blink | 61 } // namespace blink |
63 | 62 |
64 #endif // WebContentLayerClient_h | 63 #endif // WebContentLayerClient_h |
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